1222321310020 has 12 divisors (see below), whose sum is σ = 2566874751084. Its totient is φ = 488928524000.

The previous prime is 1222321310017. The next prime is 1222321310083. The reversal of 1222321310020 is 200131232221.

It can be written as a sum of positive squares in 2 ways, for example, as 583475988736 + 638845321284 = 763856^2 + 799278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1222321310020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30558032731 + ... + 30558032770.

It is an arithmetic number, because the mean of its divisors is an integer number (213906229257).

Almost surely, 2^{1222321310020} is an apocalyptic number.

1222321310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222321310020 is an abundant number, since it is smaller than the sum of its proper divisors (1344553441064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222321310020 is a wasteful number, since it uses less digits than its factorization.

1222321310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61116065510 (or 61116065508 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222321310020 its reverse (200131232221), we get a palindrome (1422452542241).

The spelling of 1222321310020 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-one million, three hundred ten thousand, twenty".